Finding the Fourth Proportional to 351.63, 527.60 and 146.24
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Solution
The fourth proportional to 351.63, 527.60 and 146.24 is: 219.43
Step by Step Solution
- Step 1: Write the proportion equation
351.63 : 527.60 = 146.24 : x - Step 2: Convert to fraction form
351.63/527.60 = 146.24/x - Step 3: Cross multiply
351.63x = 527.60 × 146.24 - Step 4: Simplify right side
351.63x = 77,157.91 - Step 5: Solve for x
x = 77,157.91/351.63 - Step 6: Final answer
x = 219.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.